Cosmetic cover weighting iron automatic assembling mechanism

The utility model discloses a cosmetic cover weighting iron automatic assembling mechanism which comprises a weighting iron feeding assembly, a weighting iron blanking assembly and a second lead screw lifting assembly, the weighting iron feeding assembly comprises a weighting iron vibration disc and a weighting iron feeding rail, the weighting iron blanking assembly is fixedly installed on a second lifting seat of the second lead screw lifting assembly, and the weighting iron feeding rail is connected with the weighting iron vibration disc. The weighting iron blanking assembly comprises a weighting iron blanking fixing seat, a weighting iron pushing block and a first weighting iron pushing air cylinder, the weighting iron blanking fixing seat is fixedly installed on the second lifting seat, and a first pushing block sliding groove is formed in the weighting iron blanking fixing seat; a weighting block feeding hole channel corresponding to the weighting block feeding groove in position is formed in one side wa